Home / 20,197.84-30,292.92-6,871.44

Finding the Fourth Proportional to 20,197.84, 30,292.92 and 6,871.44

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Solution

The fourth proportional to 20,197.84, 30,292.92 and 6,871.44 is: 10,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.84 : 30,292.92 = 6,871.44 : x
  2. Step 2: Convert to fraction form
    20,197.84/30,292.92 = 6,871.44/x
  3. Step 3: Cross multiply
    20,197.84x = 30,292.92 × 6,871.44
  4. Step 4: Simplify right side
    20,197.84x = 208,155,982.20
  5. Step 5: Solve for x
    x = 208,155,982.20/20,197.84
  6. Step 6: Final answer
    x = 10,305.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.